By Daily Mail Reporter
Last updated at 3:06 PM on 10th March 2010
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Maybe the aliens took a wrong turn or maybe they just love a bit of history.
But this UFO curious green light was seen hovering over a 19th century windmill in Norfolk.
The curious green light was spotted by photographer Peter Rye who wanted to take night-time images of Denver mill in Downham Market.

images taken Peter Rye
While he was there he didn't hear or see anything unusual and it is only when he got home to King's Lynn that he realised there was something odd about the images he'd taken.
The green light was on some images but not others indicating it was not a smudge on his lens and it appeared to have moved from right to left.
Plane? Helicopter? Gyrocopter? The theories abound in and around the villages close to the windmill, which is 30 miles from an RAF base, about what went on that February night.
Lindsay Abel, manager of the windmill, told Mail Online: 'It is very strange it has to be said.'
She said the building was an aerial landmark for pilots and had even been used as a navigational tool during World War II.
'The Germans used it in the war when they headed up to the Midlands to bomb,' she said.
'Maybe the UFO looking down saw these strange sails and wondered what the hell it was!'

Photographer Peter Rye